js驼峰命名转换实现

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			window.onload = function(){
				function toTF(str){
					var tf = str.split('-');
					var len = tf.length;
					console.log(tf);
					for(var i=1; i<len; i++){
						var k = tf[i].charAt(0);
						k = k.toUpperCase();
						tf[i] = tf[i].replace(tf[i].charAt(0),k);
						// console.log(tf[i]);
					}
					console.log(tf);
					str = '';
					for(var j=0; j<len; j++){
						str += tf[j];
					}
					// console.log(str);
					return str;
				}
				var pt = document.querySelector('input');
				var btn = document.querySelector('button');
				// console.log(pt)
				btn.onclick = function(){
					alert('驼峰命名: '+toTF(pt.value));
				}
				// var kk = toTF("back-aaa-fff-cc-dd-ff-gg");
				// console.log(kk)
			}
		</script>
	</head>
	<body>
		<input type="text" name="" id="" value="background-color" /><button type="button">转驼峰命名</button>
	</body>
</html>

修改：简化代码流程

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			window.onload = function(){
				function toTF(str){
					//截断
					var tf = str.split('-');
					for(var i=1; i<tf.length; i++){
						//获取首字母
						var k = tf[i].charAt(0);
						//修改数组    首字母
						tf[i] = tf[i].replace(k,k.toUpperCase());
						// console.log(tf[i]);
					}
					console.log(tf);
					//拼接字符
					return tf.join('');
				}
				var pt = document.querySelector('input');
				var btn = document.querySelector('button');
				// console.log(pt)
				btn.onclick = function(){
					alert('驼峰命名: '+toTF(pt.value));
				}
				// var kk = toTF("back-aaa-fff-cc-dd-ff-gg");
				// console.log(kk)
			}
		</script>
	</head>
	<body>
		<input type="text" name="" id="" value="background-color" /><button type="button">转驼峰命名</button>
	</body>
</html>